/ Dictionary / Index A autoecism: Meaning and Definition of Find definitions for: au•toe•cism Pronunciation: (ô-tē'siz-um), [key] — n. Mycol. the development of the entire life cycle of a parasitic fungus on a single host or group of hosts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. autodyne autoerotic Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language